*{
    margin: 0;
    padding: 0;
}
.container{
    width: 500px;
    height: 900px;
    margin: 0 auto;
}
.top-main{
    height: 80px;
    background-color: #405f80;
}
.top-first{
    height: 30px;
    line-height: 30px;
    display: flex;
    justify-content: space-between;
}
.first-left{
    width: 110px;
    height: 30px;
    color: #ffffff;
}
.first-center{
    width: 60px;
    height: 30px;
    color: #ffffff;
    text-align: center;
    margin-right: 45px;
}
.first-right{
    width: 65px;
    height: 30px;
    color: #ffffff;
}
.first-right .icon-dianliang201{
    font-size: 19px;
}
.top-second{
    height: 48px;
    line-height: 48px;
    display: flex;
    justify-content: space-between;
    color: #ffffff;
    text-align: center;
}
.second-left{
    width: 40px;
    height: 48px;
}
.second-center{
    width: 60px;
    height: 48px;
    font-size: 20px;
}
.second-right{
    width: 40px;
    height: 48px;
}
.second-left .icon-iconzuojiantou{
    font-size: 24px;
    margin-left: 20px;
}

.second-right .icon-signalxinhao{
    font-size: 24px;
    margin-right: 15px;
}

.banner{
    height: 300px;
}

.content{
    height: 520px;
    overflow: hidden;
}
.content div{
    height: 230px;
    width: 150px;
    float: left;
    margin-top: 20px;
    box-sizing: border-box;
    padding: 10px;
}
.content div:not(:nth-child(3n+3)){
    margin-right: 21px;
}
.content p{
    margin-top: 5px;
}
.img{
    margin-top: 7px;
}
.content span{
    margin-left: 15px;
    font-size: 20px;
}